Deposits (Tables)

12 Months Ended

Dec. 31, 2011

Deposits [Abstract]

Deposits

	2011		2010
Non-interest-bearing demand deposits:
Commercial and individual	$	5,848,840	$	4,791,149
Correspondent banks		370,275		361,100
Public funds		453,440		208,187
Total non-interest-bearing demand deposits		6,672,555		5,360,436
Interest-bearing deposits:
Private accounts:
Savings and interest checking		2,912,937		2,505,143
Money market accounts		5,664,780		4,949,764
Time accounts of $100,000 or more		533,682		611,836
Time accounts under $100,000		522,887		571,447
Total private accounts		9,634,286		8,638,190
Public funds:
Savings and interest checking		265,747		255,605
Money market accounts		44,590		84,093
Time accounts of $100,000 or more		136,422		137,506
Time accounts under $100,000		3,148		3,512
Total public funds		449,907		480,716
Total interest-bearing deposits		10,084,193		9,118,906
Total deposits	$	16,756,748	$	14,479,342

Additional Information About Corporation's Deposits

	2011		2010
Money market deposits obtained through brokers'	$	24,500	$	24,700
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits		45,005		60,972
Deposits from foreign sources (primarily Mexico)		744,669		748,255
Deposits from certain directors, executive officers and their affiliates		115,837		72,822

Scheduled Maturities Of Time Deposits

2012	$	1,072,954
2013		123,185
	$	1,196,139

Scheduled Maturities Of Time Deposits In Amounts Of $100,000 Or More

Due within 3 months or less	$	224,222
Due after 3 months and within 6 months		163,921
Due after 6 months and within 12 months		216,292
Due after 12 months		65,669
	$	670,104